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1357056

USP

Leflunomide Related Compound B

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

2-Cyano-3-hydroxy-N-(4-trifluoromethylphenyl)crotonamide

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About This Item

Empirical Formula (Hill Notation):
C12H9F3N2O2
CAS Number:
108605-62-5
Molecular Weight:
270.21
NACRES:
NA.24
PubChem Substance ID:
329750239
UNSPSC Code:
41116107
MDL number:
MFCD00910058
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grade

pharmaceutical primary standard

API family

leflunomide

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

O=C(/C(C#N)=C(O)/C)NC1=CC=C(C(F)(F)F)C=C1

InChI

1S/C12H9F3N2O2/c1-7(18)10(6-16)11(19)17-9-4-2-8(3-5-9)12(13,14)15/h2-5,18H,1H3,(H,17,19)/b10-7-

InChI key

UTNUDOFZCWSZMS-YFHOEESVSA-N

Gene Information

human ... DHODH(1723)

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General description

Leflunomide Related Compound B (2-Cyano-3-hydroxy-N-(4-trifluoromethylphenyl)crotonamide is a malononitrilamide which is a water soluble metabolite of Leflunomide. It is considered as a noncompetitive inhibitor of dihydro-orotate dehydrogensae. This metabolite has been reported to initially target activated lymphocytes.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

pictograms

Exclamation mark
GHS07

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Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

flash_point_f

Not applicable

flash_point_c

Not applicable

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Mingchang Zhang et al.
Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban, 28(3), 364-368 (2008-06-20)
The effects of A771726, the active metabolite of leflunomide, on experimental rat corneal neovascularization (NV) in vivo and on cultured human umbilical vein endothelial cells in vitro were studied. The corneal NV was induced by alkali burn in 40 SD
Quee Ming Seah et al.
Drug metabolism letters, 2(3), 153-157 (2009-04-10)
We used immortalized human hepatocytes to study the bioactivation of leflunomide and the metabolic degradation to its major metabolite, A77 1726. Both leflunomide and A77 1726 caused a time- and concentration-dependent increase in LDH release. The cytotoxicity of leflunomide, but
Maurizio Cutolo et al.
Journal of autoimmunity, 32(3-4), 254-260 (2009-03-28)
Immune response is greater in females than in males and lymphocytes/monocytes from female subjects (or tested in vitro with estrogens) show higher immune/inflammatory reactivity. In order to test in vitro the interactions between 17beta-estradiol (E2--10(-9) M), testosterone (T--10(-8) M) and
Jae Youl Cho
Archives of pharmacal research, 31(2), 160-166 (2008-03-28)
FTY720 is a derivative of ISP-1 (myriocin), a fungal metabolite of the Chinese herb Iscaria sinclarii, with agonistic effect for sphingosine-1-phosphate receptor. In this study, we examined the potential adverse effect of FTY720 in terms of cell cytotoxicity and the
Xiaoming Tang et al.
Biological & pharmaceutical bulletin, 32(6), 963-967 (2009-06-02)
During the resolution phase of hepatic fibrosis, a crucial mechanism is the apoptosis of activated hepatic stellate cells (HSCs). It is necessary to find more anti-fibrosis drugs that would modulate HSCs to be more susceptible to apoptotic stimuli. Here we
View All Related Papers

Global Trade Item Number

SKUGTIN
1357056-20MG04061833851234

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